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Related Concept Videos

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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Updated: Aug 26, 2025

A Mouse Model of Ankle-Subtalar Complex Joint Instability
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Patellar Instability in Young Athletes.

Shital N Parikh1, Matthew Veerkamp1, Lauren H Redler2

  • 1Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA.

Clinics in Sports Medicine
|October 9, 2022
PubMed
Summary
This summary is machine-generated.

Pediatric patellar instability research highlights unique aspects in children, guiding better management. Understanding natural history and predictive factors aids treatment decisions for young patients with patellar instability.

Keywords:
ChildrenMPFLPatellar dislocationPatellar instabilityPediatricPhysisQuadricepsplastySkeletally immature

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Area of Science:

  • Orthopedics
  • Pediatric Sports Medicine
  • Knee Surgery

Background:

  • Patellar instability in children and adolescents presents unique epidemiological and pathoanatomical characteristics.
  • Understanding the natural history and predictive factors is crucial for effective patient counseling and management.
  • Current literature lacks comprehensive summaries of pediatric patellar instability, necessitating an updated review.

Purpose of the Study:

  • To summarize the latest research on pediatric patellar instability.
  • To outline nonoperative and operative management strategies for pediatric patellar instability.
  • To discuss physeal-sparing surgical techniques and quadricepsplasty for complex cases.

Main Methods:

  • Literature review of recent research on pediatric patellar instability.
  • Summary of epidemiological data and pathoanatomical patterns.
  • Discussion of nonoperative treatment, surgical techniques, and risk factor management.

Main Results:

  • Pediatric patellar instability has distinct features compared to adults.
  • Nonoperative management for first-time dislocations is detailed.
  • Physeal-respecting surgical options, including medial patellofemoral ligament reconstruction, are presented.
  • Quadricepsplasty indications and outcomes for complex patterns are discussed.

Conclusions:

  • A comprehensive understanding of pediatric patellar instability is essential for optimal care.
  • Evidence-based guidelines for nonoperative and operative management are provided.
  • Future research should focus on natural history and predictive factors in young patients.